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4Gsim

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提交 979b62a7 编写于 作者: C calin cerchez
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上级 3c6a6a7e
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浏览文件 @ 979b62a7
...@@ -3,50 +3,43 @@ src ...@@ -3,50 +3,43 @@ src
-inet.examples.mpls -inet.examples.mpls
-inet.applications.voiptool -inet.applications.voiptool
-inet.world.httptools -inet.world.httptools
-inet.applications.dhcp -inet.nodes.xmipv6
-inet.applications.httptools -inet.applications.httptools
-inet.applications.dhcp
-inet.networklayer.rsvp_te
-inet.transport.tcp_lwip -inet.transport.tcp_lwip
-inet.networklayer.autorouting.ipv6
-inet.transport.tcp_nsc -inet.transport.tcp_nsc
-inet.examples.inet -inet.networklayer.autorouting.ipv6
-inet.examples.httptools.direct
-inet.examples.diffserv
-inet.networklayer.xmipv6
-inet.examples.traci_launchd
-inet.examples.sctp
-inet.examples.httptools.socket
-inet.examples.manetrouting
-inet.examples.emulation
-inet.networklayer.ted
-inet.nodes.ipv6
-inet.networklayer.manetrouting
-inet.networklayer.icmpv6
-inet.examples.adhoc
-inet.nodes.xmipv6
-inet.networklayer.rsvp_te
-inet.networklayer.diffserv -inet.networklayer.diffserv
-inet.transport.rtp -inet.transport.rtp
-inet.examples.mobileipv6
-inet.examples.dhcp -inet.examples.dhcp
-inet.examples.mobileipv6
-inet.nodes.mpls -inet.nodes.mpls
-inet.world.traci -inet.world.traci
-inet.examples.httptools.direct
-inet.examples.traci -inet.examples.traci
-inet.examples.ethernet
-inet.examples.ipv6 -inet.examples.ipv6
-inet.examples.ospfv2 -inet.examples.diffserv
-inet.nodes.bgp -inet.nodes.bgp
-inet.examples.ospfv2
-inet.networklayer.xmipv6
-inet.examples.traci_launchd
-inet.examples.rtp -inet.examples.rtp
-inet.networklayer.ospfv2 -inet.networklayer.ospfv2
-inet.examples.mobility -inet.examples.manetrouting
-inet.examples.httptools.socket
-inet.networklayer.bgpv4 -inet.networklayer.bgpv4
-inet.applications.traci -inet.applications.traci
-inet.examples.voiptool
-inet.networklayer.ipv6tunneling -inet.networklayer.ipv6tunneling
-inet.networklayer.ipv6 -inet.examples.voiptool
-inet.networklayer.ldp -inet.networklayer.ted
-inet.nodes.httptools -inet.nodes.httptools
-inet.networklayer.ldp
-inet.networklayer.ipv6
-inet.networklayer.mpls -inet.networklayer.mpls
-inet.examples.bgpv4 -inet.examples.bgpv4
-inet.nodes.ipv6
-inet.networklayer.manetrouting
-inet.applications.rtpapp -inet.applications.rtpapp
-inet.networklayer.icmpv6
-inet.nodes.ospfv2 -inet.nodes.ospfv2
-inet.examples.wireless
examples/_4gsim/out.txt 0 → 100644
浏览文件 @ 979b62a7
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src/linklayer/lte/mac/MACScheduler.cc
浏览文件 @ 979b62a7
...@@ -14,6 +14,7 @@ ...@@ -14,6 +14,7 @@
// //
#include "MACScheduler.h" #include "MACScheduler.h"
#include "RRC.h"
#include "LTEControlInfo_m.h" #include "LTEControlInfo_m.h"
Define_Module(MACScheduler); Define_Module(MACScheduler);
...@@ -21,6 +22,9 @@ Define_Module(MACScheduler); ...@@ -21,6 +22,9 @@ Define_Module(MACScheduler);
MACScheduler::MACScheduler() { MACScheduler::MACScheduler() {
prachCfgIndex = 64; prachCfgIndex = 64;
dlBandwith = 6; dlBandwith = 6;
dlCyclPref = CTRL_CP_NORMAL;
nrOfSubcarriers = 12;
nrOfAntennas = 1;
} }
MACScheduler::~MACScheduler() { MACScheduler::~MACScheduler() {
...@@ -54,6 +58,22 @@ unsigned char MACScheduler::getRBGSize() { ...@@ -54,6 +58,22 @@ unsigned char MACScheduler::getRBGSize() {
return 4; return 4;
} }
unsigned char MACScheduler::getReNrInReg(unsigned char l) {
if (l == 0)
return 6;
else if (l == 1 && nrOfAntennas == 4)
return 6;
else if (l == 1 && nrOfAntennas != 4)
return 4;
else if (l == 2)
return 4;
else if (l == 3 && dlCyclPref == CTRL_CP_NORMAL)
return 4;
else if (l == 3 && dlCyclPref == CTRL_CP_EXTENDED)
return 6;
return 0;
}
unsigned MACScheduler::getRIV(unsigned char lCRB, unsigned char rbStart) { unsigned MACScheduler::getRIV(unsigned char lCRB, unsigned char rbStart) {
if ((lCRB - 1) < floor(dlBandwith / 2)) if ((lCRB - 1) < floor(dlBandwith / 2))
return dlBandwith * (lCRB - 1) + rbStart; return dlBandwith * (lCRB - 1) + rbStart;
...@@ -61,6 +81,23 @@ unsigned MACScheduler::getRIV(unsigned char lCRB, unsigned char rbStart) { ...@@ -61,6 +81,23 @@ unsigned MACScheduler::getRIV(unsigned char lCRB, unsigned char rbStart) {
return dlBandwith * (dlBandwith - lCRB + 1) + (dlBandwith - 1 - rbStart); return dlBandwith * (dlBandwith - lCRB + 1) + (dlBandwith - 1 - rbStart);
} }
unsigned char MACScheduler::getNrOfDlSymbForDci(unsigned short nReg) {
unsigned char l = 0;
unsigned short nrOfResInSymb = dlBandwith * nrOfSubcarriers;
unsigned short nrOfRegsInSymb = nrOfResInSymb / getReNrInReg(l);
nrOfRegsInSymb -= 4; // first symbol has also PCFICH resource elements which don't count
if (nReg < nrOfRegsInSymb)
return 1;
l++;
for (; l < 4; l++) {
nrOfRegsInSymb += nrOfResInSymb / getReNrInReg(l);
if (nReg < nrOfRegsInSymb)
return l + 1;
}
return 0;
}
void MACScheduler::processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq) { void MACScheduler::processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq) {
// EV << "MACScheduler: Received SCHED_DL_TRIGGER_REQ. Processing the request.\n"; // EV << "MACScheduler: Received SCHED_DL_TRIGGER_REQ. Processing the request.\n";
unsigned char sf = triggReq->getSf(); unsigned char sf = triggReq->getSf();
...@@ -70,6 +107,8 @@ void MACScheduler::processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq) ...@@ -70,6 +107,8 @@ void MACScheduler::processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq)
unsigned char rbStart = 0; unsigned char rbStart = 0;
memset(rbBitmap, false, dlBandwith); memset(rbBitmap, false, dlBandwith);
unsigned short nReg = 0;
unsigned nrBldBcastList = 0; unsigned nrBldBcastList = 0;
SchedDlConfigInd *cfgInd = new SchedDlConfigInd(); SchedDlConfigInd *cfgInd = new SchedDlConfigInd();
cfgInd->setSf(sf); cfgInd->setSf(sf);
...@@ -135,6 +174,8 @@ void MACScheduler::processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq) ...@@ -135,6 +174,8 @@ void MACScheduler::processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq)
dciEl.setTbsIdx(iTBS); dciEl.setTbsIdx(iTBS);
bcastEl.setDci(dciEl); bcastEl.setDci(dciEl);
nReg += 18;
cfgInd->setBldBcastListArraySize(++nrBldBcastList); cfgInd->setBldBcastListArraySize(++nrBldBcastList);
cfgInd->setBldBcastList(nrBldBcastList - 1, bcastEl); cfgInd->setBldBcastList(nrBldBcastList - 1, bcastEl);
} }
...@@ -169,6 +210,8 @@ void MACScheduler::processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq) ...@@ -169,6 +210,8 @@ void MACScheduler::processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq)
// cfgInd->setBldRarList(0, rarEl); // cfgInd->setBldRarList(0, rarEl);
// } // }
cfgInd->setNrOfPdcchSymb(getNrOfDlSymbForDci(nReg));
nb->fireChangeNotification(SCHED_DL_CONFIG_IND, cfgInd); nb->fireChangeNotification(SCHED_DL_CONFIG_IND, cfgInd);
} }
...@@ -223,6 +266,10 @@ void MACScheduler::receiveChangeNotification(int category, const cPolymorphic *d ...@@ -223,6 +266,10 @@ void MACScheduler::receiveChangeNotification(int category, const cPolymorphic *d
EV << "MACScheduler: Received CSCHED_CELL_CONFIG_REQ. Processing the request.\n"; EV << "MACScheduler: Received CSCHED_CELL_CONFIG_REQ. Processing the request.\n";
CSchedCellConfigReq *cellCfg = check_and_cast<CSchedCellConfigReq*>(details); CSchedCellConfigReq *cellCfg = check_and_cast<CSchedCellConfigReq*>(details);
dlCyclPref = cellCfg->getDlCyclPrefLen();
nrOfAntennas = cellCfg->getAntennaPortsCount();
siCfg = cellCfg->getSiConfig(); siCfg = cellCfg->getSiConfig();
dlBandwith = cellCfg->getDlBandwith(); dlBandwith = cellCfg->getDlBandwith();
......
src/linklayer/lte/mac/MACScheduler.h
浏览文件 @ 979b62a7
...@@ -31,6 +31,9 @@ static const unsigned tbSizeTable[N_PRB_SIZE][I_TBS_SIZE] = { ...@@ -31,6 +31,9 @@ static const unsigned tbSizeTable[N_PRB_SIZE][I_TBS_SIZE] = {
class MACScheduler : public cSimpleModule, INotifiable { class MACScheduler : public cSimpleModule, INotifiable {
private: private:
// Cell configuration // Cell configuration
unsigned char dlCyclPref;
unsigned char nrOfAntennas;
unsigned char nrOfSubcarriers;
SiConfiguration siCfg; SiConfiguration siCfg;
// Random Access configuration // Random Access configuration
...@@ -47,6 +50,8 @@ private: ...@@ -47,6 +50,8 @@ private:
unsigned char getRBGSize(); unsigned char getRBGSize();
unsigned getRIV(unsigned char lCRB, unsigned char rbStart); unsigned getRIV(unsigned char lCRB, unsigned char rbStart);
unsigned char getReNrInReg(unsigned char l);
unsigned char getNrOfDlSymbForDci(unsigned short nReg);
void processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq); void processScheduleDlTriggerRequest(SchedDlTriggerReq *triggReq);
void processScheduleUlTriggerRequest(SchedUlTriggerReq *triggReq); void processScheduleUlTriggerRequest(SchedUlTriggerReq *triggReq);
......
src/linklayer/lte/mac/MACenb.cc
浏览文件 @ 979b62a7
...@@ -104,6 +104,7 @@ void MACenb::receiveChangeNotification(int category, const cPolymorphic *details ...@@ -104,6 +104,7 @@ void MACenb::receiveChangeNotification(int category, const cPolymorphic *details
DlConfigRequest *dlReq = new DlConfigRequest(); DlConfigRequest *dlReq = new DlConfigRequest();
dlReq->setSfn(sfn); dlReq->setSfn(sfn);
dlReq->setSf(sf); dlReq->setSf(sf);
dlReq->setNrPdcchSymb(cfgInd->getNrOfPdcchSymb());
// prepare tx request for physical layer (sent only if tx is scheduled) // prepare tx request for physical layer (sent only if tx is scheduled)
TxRequest *txReq = new TxRequest(); TxRequest *txReq = new TxRequest();
...@@ -216,8 +217,9 @@ void MACenb::receiveChangeNotification(int category, const cPolymorphic *details ...@@ -216,8 +217,9 @@ void MACenb::receiveChangeNotification(int category, const cPolymorphic *details
if (pduIndex > 0) if (pduIndex > 0)
nb->fireChangeNotification(TXRequest, txReq); nb->fireChangeNotification(TXRequest, txReq);
else
delete txReq; delete dlReq;
delete txReq;
} else if (category == RACHIndication) { } else if (category == RACHIndication) {
// TODO check RACH type // TODO check RACH type
......
src/linklayer/lte/mac/SchedulerCommand.msg
浏览文件 @ 979b62a7
...@@ -19,9 +19,9 @@ enum SchedulerCommandType ...@@ -19,9 +19,9 @@ enum SchedulerCommandType
CSCHED_CELL_CONFIG_REQ = 201; CSCHED_CELL_CONFIG_REQ = 201;
SCHED_DL_TRIGGER_REQ = 202; SCHED_DL_TRIGGER_REQ = 202;
SCHED_DL_CONFIG_IND = 203; SCHED_DL_CONFIG_IND = 203;
SCHED_UL_TRIGGER_REQ = 204; SCHED_UL_TRIGGER_REQ = 204;
SCHED_UL_CONFIG_IND = 205; SCHED_UL_CONFIG_IND = 205;
SCHED_DL_RACH_INFO_REQ = 206; SCHED_DL_RACH_INFO_REQ = 206;
} }
class SchedulerCommand class SchedulerCommand
...@@ -37,8 +37,8 @@ class SiMessageListElement ...@@ -37,8 +37,8 @@ class SiMessageListElement
class SiConfiguration class SiConfiguration
{ {
unsigned short sib1Length; // in bytes unsigned short sib1Length; // in bytes
unsigned char siWdwLen; unsigned char siWdwLen;
SiMessageListElement siMsgList[]; SiMessageListElement siMsgList[];
} }
class RaConfiguration class RaConfiguration
...@@ -52,10 +52,12 @@ class RaConfiguration ...@@ -52,10 +52,12 @@ class RaConfiguration
class CSchedCellConfigReq extends SchedulerCommand class CSchedCellConfigReq extends SchedulerCommand
{ {
unsigned char dlCyclPrefLen;
unsigned char antennaPortsCount;
SiConfiguration siConfig; SiConfiguration siConfig;
unsigned char dlBandwith; unsigned char dlBandwith;
unsigned char prachCfgIndex; unsigned char prachCfgIndex;
RaConfiguration raConfig; RaConfiguration raConfig;
} }
enum HarqStatus enum HarqStatus
...@@ -81,8 +83,8 @@ class SchedDlTriggerReq extends SchedulerCommand ...@@ -81,8 +83,8 @@ class SchedDlTriggerReq extends SchedulerCommand
class SchedUlTriggerReq extends SchedulerCommand class SchedUlTriggerReq extends SchedulerCommand
{ {
unsigned short tti; unsigned short tti;
bool rapComplete; bool rapComplete;
} }
class RlcPduListElement class RlcPduListElement
...@@ -105,18 +107,18 @@ enum VRBFormatType ...@@ -105,18 +107,18 @@ enum VRBFormatType
class DlDciListElement class DlDciListElement
{ {
unsigned short rnti; unsigned short rnti;
unsigned int rbBitmap; unsigned int rbBitmap;
unsigned char rbShift; unsigned char rbShift;
unsigned char resAlloc; unsigned char resAlloc;
unsigned char nrOfTbs; unsigned char nrOfTbs;
unsigned short tbsSize[2]; unsigned short tbsSize[2];
unsigned char mcs[2]; unsigned char mcs[2];
unsigned char rv[2]; unsigned char rv[2];
unsigned char format; unsigned char format;
unsigned char tpc; unsigned char tpc;
unsigned char vrbFormat; unsigned char vrbFormat;
unsigned char tbsIdx; unsigned char tbsIdx;
} }
class BuildDataListElement class BuildDataListElement
......
src/linklayer/lte/phy/PHY.cc
浏览文件 @ 979b62a7
...@@ -15,28 +15,24 @@ ...@@ -15,28 +15,24 @@
#include "PHY.h" #include "PHY.h"
#include "RRC.h" #include "RRC.h"
#include <fstream>
PHY::PHY() : rs(this->getId()) { PHY::PHY() : rs(this->getId()) {
// TODO Auto-generated constructor stub // TODO Auto-generated constructor stub
sfn = 0;
sf = 0;
symbolTimer = NULL; symbolTimer = NULL;
symb = 0;
slot = 0;
nRBsc = 12; nDLrb = 255;
nDLsymb = 7;
nDLrb = 255;
ncp = 255; ncp = 255;
n1id = 255; n1id = 255;
n2id = 255; n2id = 255;
nCellId = 65535; nCellId = 65535;
p = 1;
symbPeriod = 1e-3 / nDLsymb;
dlSubframe = NULL; dlSubframe = NULL;
dlBuffer = NULL; dlBuffer = NULL;
allRegs = NULL;
cfi = 0;
} }
PHY::~PHY() { PHY::~PHY() {
...@@ -56,6 +52,24 @@ PHY::~PHY() { ...@@ -56,6 +52,24 @@ PHY::~PHY() {
delete [] dlBuffer[l]; delete [] dlBuffer[l];
delete [] dlBuffer; delete [] dlBuffer;
} }
if (allRegs) {
for (unsigned char l = 0; l < 4; l++) {
for (unsigned short k = 0; k < nRBsc * nDLrb; k++) {
if (allRegs[l][k]) {
REGs regs = allRegs[l][k];
unsigned char regNr = getRegNrInRegs(l);
for (unsigned char r = 0; r < regNr; r++) {
REG reg = regs[r];
delete [] reg;
}
delete [] regs;
}
}
delete [] allRegs[l];
}
delete [] allRegs;
}
} }
void PHY::initialize(int stage) { void PHY::initialize(int stage) {
...@@ -106,123 +120,87 @@ const char *PHY::eventName(int event) { ...@@ -106,123 +120,87 @@ const char *PHY::eventName(int event) {
#undef CASE #undef CASE
} }
bool PHY::operator<(const reg &l, const reg &r) { unsigned char PHY::getRegNrInRegs(unsigned char l) {
if (l == 0)
return 2;
else if (l == 1 && p == 4)
return 2;
else if (l == 1 && p != 4)
return 3;
else if (l == 2)
return 3;
else if (l == 3 && ncp == PHY_CP_NORMAL)
return 3;
else if (l == 3 && ncp == PHY_CP_EXTENDED)
return 2;
return 0;
} }
void PHY::stateEntered(int category, const cPolymorphic *details) { unsigned char PHY::getReNrInReg(unsigned char l) {
switch(fsm.getState()) { if (l == 0)
case IDLE: { return 6;
ParamResponse *paramResp = new ParamResponse(); else if (l == 1 && p == 4)
paramResp->setErrorCode(MsgOk); return 6;
paramResp->setTlvsArraySize(1); else if (l == 1 && p != 4)
paramResp->setTlvs(0, createPhyCommandTlv(PhyState, 1, IDLE)); return 4;
nb->fireChangeNotification(PARAMResponse, paramResp); else if (l == 2)
break; return 4;
} else if (l == 3 && ncp == PHY_CP_NORMAL)
case CONFIGURED: { return 4;
if (category == CONFIGRequest) { else if (l == 3 && ncp == PHY_CP_EXTENDED)
ConfigRequest *cfgReq = check_and_cast<ConfigRequest*>(details); return 6;
for (unsigned i = 0; i < cfgReq->getTlvsArraySize(); i++) { return 0;
if (cfgReq->getTlvs(i).getTag() == SfnSf) {
sfn = cfgReq->getTlvs(i).getValue() / 10;
sf = cfgReq->getTlvs(i).getValue() % 10;
}
if (cfgReq->getTlvs(i).getTag() == DlCyclicPrefixType) {
ncp = cfgReq->getTlvs(i).getValue() == RRC_CP_NORMAL ? PHY_CP_NORMAL : PHY_CP_EXTENDED;
}
if (cfgReq->getTlvs(i).getTag() == DlChannelBandwith) {
nDLrb = cfgReq->getTlvs(i).getValue();
}
if (cfgReq->getTlvs(i).getTag() == PhysicalCellId) {
nCellId = cfgReq->getTlvs(i).getValue();
n1id = nCellId / 3;
n2id = nCellId % 3;
}
}
ConfigResponse *cfgResp = new ConfigResponse();
cfgResp->setErrorCode(MsgOk);
nb->fireChangeNotification(CONFIGResponse, cfgResp);
}
break;
}
case RUNNING: {
if (category == STARTRequest) {
dlSubframe = new PHYSymbol*[nDLsymb * 2];
for (unsigned char i = 0; i < nDLsymb * 2; i++)
dlSubframe[i] = NULL;
dlBuffer = new PHYFramePtr*[nDLsymb * 2];
for (unsigned char l = 0; l < nDLsymb * 2; l++) {
dlBuffer[l] = new PHYFramePtr[nRBsc * nDLrb];
for (unsigned short k = 0; k < nRBsc * nDLrb; k++)
dlBuffer[l][k] = NULL;
}
this->cancelEvent(symbolTimer);
this->scheduleAt(simTime(), symbolTimer);
}
break;
}
default:
EV << "LTE-PHYenb: Unknown state.\n";
break;
}
} }
void PHY::receiveChangeNotification(int category, const cPolymorphic *details) { REG PHY::findExactReg(unsigned char l, unsigned short k0) {
Enter_Method_Silent(); unsigned char regNr = getRegNrInRegs(l);
for (unsigned char r = 0; r < regNr; r++) {
int oldState = fsm.getState(); if ((k0 >= r * (12 / regNr)) && (allRegs[l][k0 - r * (12 / regNr)] != NULL)) {
REGs regs = allRegs[l][k0 - r * (12 / regNr)];
switch(oldState) { return regs[r];
case IDLE: }
switch(category) { }
case PARAMRequest: { return NULL;
break; }
}
case CONFIGRequest: {
FSM_Goto(fsm, CONFIGURED);
break;
}
default:
EV << "LTE-PHY: Received unexpected event.\n";
break;
}
break;
case CONFIGURED:
switch(category) {
case STARTRequest: {
FSM_Goto(fsm, RUNNING);
break;
}
default:
EV << "LTE-PHY: Received unexpected event.\n";
break;
}
break;
case RUNNING:
switch(category) {
case DLCONFIGRequest: {
break;
}
case TXRequest : {
break;
}
// default:
// EV << "LTE-PHY: Received unexpected event.\n";
// break;
}
break;
default:
EV << "LTE-PHY: Unknown state.\n";
break;
}
// if (oldState != fsm.getState()) void PHY::configureRegs() {
// EV << "LTE-PHY: PSM-Transition: " << stateName(oldState) << " --> " << stateName(fsm.getState()) << " (event was: " << eventName(category) << ")\n"; allRegs = new REGs*[4];
// else for (unsigned char l = 0; l < 4; l++) {
// EV << "LTE-PHY: Staying in state: " << stateName(fsm.getState()) << " (event was: " << eventName(category) << ")\n"; allRegs[l] = new REGs[nRBsc * nDLrb];
for (unsigned short k = 0; k < nRBsc * nDLrb; k++) {
if (k % nRBsc == 0) {
unsigned short k0 = k;
unsigned char regNr = getRegNrInRegs(l);
REGs regs = new REG[regNr];
// EV << "(\n";
for (unsigned char r = 0; r < regNr; r++) {
// EV << "(";
unsigned char reNr = getReNrInReg(l);
REG reg = new RE[reNr];
for (unsigned char kRel = 0; kRel < reNr; kRel++) {
reg[kRel].k = k0 + r * (12 / regNr) + kRel;
reg[kRel].l = l;
// EV << "(" << (unsigned)reg[kRel].k << "," << (unsigned)reg[kRel].l << "), ";
}
regs[r] = reg;
// EV << "),\n";
}
allRegs[l][k] = regs;
// EV << ")\n";
} else
allRegs[l][k] = NULL;
}
}
}
stateEntered(category, details); void PHY::printSubframe() {
std::ofstream file;
file.open("out.txt");
for (unsigned short k = 0; k < nDLrb * nRBsc; k++) {
for (unsigned char l = 0; l < nDLsymb * 2; l++) {
file << (unsigned)dlSubframe[l]->getRes(k) << "\t";
}
file << endl;
}
file.close();
} }
src/linklayer/lte/phy/PHY.h
浏览文件 @ 979b62a7
...@@ -39,6 +39,16 @@ enum PHYCyclicPrefix { ...@@ -39,6 +39,16 @@ enum PHYCyclicPrefix {
PHY_CP_NORMAL = 1 PHY_CP_NORMAL = 1
}; };
typedef PHYFrame* PHYFramePtr;
typedef struct {
unsigned short k;
unsigned char l;
} RE;
typedef RE* REG; // RE_0, RE_1, RE_2, RE_3 and if available RE_4 RE_5
typedef REG* REGs; // REG_0, REG_1 and if available REG_2
class PHY : public ChannelAccess { class PHY : public ChannelAccess {
protected: protected:
unsigned short sfn; unsigned short sfn;
...@@ -58,20 +68,15 @@ protected: ...@@ -58,20 +68,15 @@ protected:
unsigned char ncp; // cyclic prefix unsigned char ncp; // cyclic prefix
PHYSymbol **dlSubframe; // symbol[nDLsymb] unsigned char p; // number of antenna ports
typedef PHYFrame *PHYFramePtr; unsigned char cfi;
PHYFramePtr **dlBuffer; // frame[nDLsymb * 2][nRBsc * nDLrb]
struct reg { PHYSymbol **dlSubframe; // symbol[nDLsymb]
unsigned short k;
unsigned char l;
};
bool operator<(const reg &l, const reg &r); PHYFramePtr **dlBuffer; // frame[nDLsymb * 2][nRBsc * nDLrb]
typedef std::map<reg, unsigned char> REGroups; REGs **allRegs; // REGs[k0][l]
REGroups regs;
cFSM fsm; cFSM fsm;
...@@ -81,12 +86,19 @@ protected: ...@@ -81,12 +86,19 @@ protected:
NotificationBoard *nb; NotificationBoard *nb;
unsigned char getRegNrInRegs(unsigned char l);
unsigned char getReNrInReg(unsigned char l);
REG findExactReg(unsigned char l, unsigned short k0);
void configureRegs();
const char *stateName(int state); const char *stateName(int state);
const char *eventName(int event); const char *eventName(int event);
virtual void receiveChangeNotification(int category, const cPolymorphic *details); virtual void receiveChangeNotification(int category, const cPolymorphic *details) = 0;
virtual void stateEntered(int category, const cPolymorphic *details) = 0;
virtual void stateEntered(int category, const cPolymorphic *details); void printSubframe();
public: public:
PHY(); PHY();
virtual ~PHY(); virtual ~PHY();
......
src/linklayer/lte/phy/PHYCommand.h
浏览文件 @ 979b62a7
...@@ -53,6 +53,8 @@ public: ...@@ -53,6 +53,8 @@ public:
* Method for pushing DlConfigRequestPduPtr to vector. * Method for pushing DlConfigRequestPduPtr to vector.
*/ */
void pushPdu(DlConfigRequestPduPtr pdu) { pdus.push_back(pdu); } void pushPdu(DlConfigRequestPduPtr pdu) { pdus.push_back(pdu); }
DlConfigRequestPduPtr backPdu() { return pdus.back(); }
void popPdu() { pdus.pop_back(); }
}; };
#endif /* PHYCOMMAND_H_ */ #endif /* PHYCOMMAND_H_ */
src/linklayer/lte/phy/PHYCommand.msg
浏览文件 @ 979b62a7
...@@ -48,6 +48,7 @@ enum PhyCommandTlvTag ...@@ -48,6 +48,7 @@ enum PhyCommandTlvTag
{ {
DlCyclicPrefixType = 4; DlCyclicPrefixType = 4;
DlChannelBandwith = 6; DlChannelBandwith = 6;
TxAntennaPorts = 7;
PhysicalCellId = 16; PhysicalCellId = 16;
DlBwSupp = 40; DlBwSupp = 40;
UlBwSupp = 41; UlBwSupp = 41;
......
src/linklayer/lte/phy/PHYFrame.msg
浏览文件 @ 979b62a7
...@@ -32,11 +32,6 @@ message TransportBlock extends PhysicalResourceBlock ...@@ -32,11 +32,6 @@ message TransportBlock extends PhysicalResourceBlock
} }
message DCIFormat extends PhysicalResourceBlock
{
}
message RAPreamble extends PhysicalResourceBlock message RAPreamble extends PhysicalResourceBlock
{ {
unsigned char rapid; unsigned char rapid;
...@@ -73,14 +68,27 @@ message SSSSignal extends PHYFrame ...@@ -73,14 +68,27 @@ message SSSSignal extends PHYFrame
message ReferenceSignal extends PHYFrame message ReferenceSignal extends PHYFrame
{ {
channel = RS; channel = RS;
unsigned char cellId; unsigned char cellId;
unsigned char ncp; // cyclic prefix unsigned char ncp; // cyclic prefix
} }
message PCFICHMessage extends PHYFrame message PCFICHMessage extends PHYFrame
{ {
channel = PCFICH; channel = PCFICH;
unsigned char pdcchSymbols; unsigned char cfi;
}
message DCIFormat extends PHYFrame
{
channel = PDCCH;
unsigned short rnti; // scrambled in CRC
unsigned char rntiType;
unsigned char formatFlag;
bool vrbFlag;
unsigned int rbCoding;
unsigned char mcs;
unsigned char rv;
unsigned char tpc;
} }
message PBCHMessage extends PHYFrame message PBCHMessage extends PHYFrame
......
src/linklayer/lte/phy/PHYenb.cc
浏览文件 @ 979b62a7
...@@ -14,6 +14,7 @@ ...@@ -14,6 +14,7 @@
// //
#include "PHYenb.h" #include "PHYenb.h"
#include "RRC.h"
#include "LTEChannelControl.h" #include "LTEChannelControl.h"
Define_Module(PHYenb); Define_Module(PHYenb);
...@@ -23,6 +24,16 @@ PHYenb::PHYenb() : PHY() { ...@@ -23,6 +24,16 @@ PHYenb::PHYenb() : PHY() {
ulBandwith = 6; ulBandwith = 6;
hasBCHPdu = false; hasBCHPdu = false;
sfn = 0;
sf = 0;
symb = 0;
slot = 0;
nRBsc = 12;
nDLsymb = 7;
symbPeriod = 1e-3 / nDLsymb;
} }
PHYenb::~PHYenb() { PHYenb::~PHYenb() {
...@@ -77,7 +88,7 @@ void PHYenb::handleMessage(cMessage *msg) { ...@@ -77,7 +88,7 @@ void PHYenb::handleMessage(cMessage *msg) {
sendSymbol(); sendSymbol();
this->cancelEvent(symbolTimer); this->cancelEvent(symbolTimer);
this->scheduleAt(simTime() + symbPeriod, symbolTimer); this->scheduleAt(simTime() + symbPeriod, symbolTimer);
symb = (symb + 1) % nDLsymb; symb = (symb + 1) % nDLsymb;
...@@ -169,7 +180,7 @@ void PHYenb::buildSubframe() { ...@@ -169,7 +180,7 @@ void PHYenb::buildSubframe() {
dlBuffer[nDLsymb - 2][k - 1] = sss; dlBuffer[nDLsymb - 2][k - 1] = sss;
} }
// RS // TODO repair RS
PHYSymbol *symbol1 = dlSubframe[0]; PHYSymbol *symbol1 = dlSubframe[0];
PHYSymbol *symbol2 = dlSubframe[nDLsymb - 3]; PHYSymbol *symbol2 = dlSubframe[nDLsymb - 3];
unsigned char v1 = 0; unsigned char v1 = 0;
...@@ -199,15 +210,87 @@ void PHYenb::buildSubframe() { ...@@ -199,15 +210,87 @@ void PHYenb::buildSubframe() {
} }
// PCFICH // PCFICH
PHYSymbol *symbol = dlSubframe[0]; if (dciBuffer.size() != 0 && cfi != 0) {
unsigned char pcfichOffset = (nRBsc / 2) * (nCellId % (2 * nDLrb)); PHYSymbol *symbol = dlSubframe[0];
for (unsigned i = 0; i < 4; i++) { unsigned char pcfichOffset = (nRBsc / 2) * (nCellId % (2 * nDLrb));
unsigned short k = (pcfichOffset + (unsigned)(i * nDLrb / 2) * nRBsc / 2) % (nDLrb * nRBsc); unsigned short kLast = 0;
symbol->setRes(k, PCFICH); for (unsigned i = 0; i < 4; i++) {
unsigned short k = (pcfichOffset + (unsigned)(i * nDLrb / 2) * nRBsc / 2) % (nDLrb * nRBsc);
REG reg = findExactReg(0, k);
if (reg) {
unsigned char kRel = 0;
for (; kRel < getReNrInReg(0); kRel++) {
if (!symbol->getRes(reg[kRel].k)) // avoid resource elements assigned for RS
symbol->setRes(reg[kRel].k, PCFICH);
}
kLast = reg[kRel - 1].k;
} else {
EV << "LTE-PHYenb: !!! Error in PCFICH, resource element (k,l) does not represent a resource element group !!!\n";
}
}
PCFICHMessage *pcfichMsg = new PCFICHMessage();
pcfichMsg->setCfi(cfi);
dlBuffer[0][kLast] = pcfichMsg;
}
// PDCCH
if (dciBuffer.size() != 0 && cfi != 0) {
// unsigned char m = 0;
unsigned short k = 0;
DlConfigRequestDciDlPdu *dciDlPdu = NULL;
unsigned char dciSize = 0;
while (k < nDLrb * nRBsc && dciBuffer.size() != 0) {
unsigned char l = 0;
while (l < cfi && dciBuffer.size() != 0) {
PHYSymbol *symbol = dlSubframe[l];
REG reg = findExactReg(l, k);
if (reg && symbol->getRes(k) != PCFICH) { // TODO PHICH
// symbol preparation
unsigned short kLast = 0;
unsigned char kRel = 0;
for (; kRel < getReNrInReg(l); kRel++) {
if (!symbol->getRes(reg[kRel].k)) // avoid resource elements assigned for RS
symbol->setRes(reg[kRel].k, PDCCH);
}
kLast = reg[kRel - 1].k;
// data transmission
dciDlPdu = dciBuffer.back();
if (dciSize == 0) {
if (dciDlPdu->getType() == DCI_FORMAT_1 || dciDlPdu->getType() == DCI_FORMAT_1A)
dciSize = 18;
}
dciSize--;
if (dciSize == 0) {
DCIFormat *dci = new DCIFormat();
dci->setRnti(dciDlPdu->getRnti()); // scrambled in CRC
dci->setRntiType(dciDlPdu->getRntiType());
dci->setFormatFlag(dciDlPdu->getType());
dci->setVrbFlag(dciDlPdu->getVrbFlag());
dci->setRbCoding(dciDlPdu->getRbCoding());
// TODO 2 transport blocks
dci->setMcs(dciDlPdu->getMcs1());
dci->setRv(dciDlPdu->getRv1());
dci->setTpc(dciDlPdu->getTpc());
dlBuffer[l][kLast] = dci;
dciBuffer.pop_back();
delete dciDlPdu;
}
// m++;
}
l++;
}
k++;
}
} }
} }
void PHYenb::cleanup() { void PHYenb::cleanup() {
cfi = 0;
if (sfn % 4 == 0 && sf == 0) { if (sfn % 4 == 0 && sf == 0) {
hasBCHPdu = false; hasBCHPdu = false;
} }
...@@ -234,29 +317,102 @@ void PHYenb::setData(unsigned short k, PHYFrame *frame) { ...@@ -234,29 +317,102 @@ void PHYenb::setData(unsigned short k, PHYFrame *frame) {
} }
void PHYenb::stateEntered(int category, const cPolymorphic *details) { void PHYenb::stateEntered(int category, const cPolymorphic *details) {
PHY::stateEntered(category, details); switch(fsm.getState()) {
case IDLE: {
ParamResponse *paramResp = new ParamResponse();
paramResp->setErrorCode(MsgOk);
paramResp->setTlvsArraySize(1);
paramResp->setTlvs(0, createPhyCommandTlv(PhyState, 1, IDLE));
nb->fireChangeNotification(PARAMResponse, paramResp);
break;
}
case CONFIGURED: {
if (category == CONFIGRequest) {
ConfigRequest *cfgReq = check_and_cast<ConfigRequest*>(details);
for (unsigned i = 0; i < cfgReq->getTlvsArraySize(); i++) {
if (cfgReq->getTlvs(i).getTag() == SfnSf) {
sfn = cfgReq->getTlvs(i).getValue() / 10;
sf = cfgReq->getTlvs(i).getValue() % 10;
}
if (cfgReq->getTlvs(i).getTag() == DlCyclicPrefixType) {
ncp = cfgReq->getTlvs(i).getValue() == CTRL_CP_NORMAL ? PHY_CP_NORMAL : PHY_CP_EXTENDED;
}
if (cfgReq->getTlvs(i).getTag() == TxAntennaPorts) {
p = cfgReq->getTlvs(i).getValue();
}
if (cfgReq->getTlvs(i).getTag() == DlChannelBandwith) {
nDLrb = cfgReq->getTlvs(i).getValue();
}
if (cfgReq->getTlvs(i).getTag() == PhysicalCellId) {
nCellId = cfgReq->getTlvs(i).getValue();
n1id = nCellId / 3;
n2id = nCellId % 3;
}
}
ConfigResponse *cfgResp = new ConfigResponse();
cfgResp->setErrorCode(MsgOk);
nb->fireChangeNotification(CONFIGResponse, cfgResp);
}
break;
}
case RUNNING: {
if (category == STARTRequest) {
dlSubframe = new PHYSymbol*[nDLsymb * 2];
for (unsigned char i = 0; i < nDLsymb * 2; i++)
dlSubframe[i] = NULL;
dlBuffer = new PHYFramePtr*[nDLsymb * 2];
for (unsigned char l = 0; l < nDLsymb * 2; l++) {
dlBuffer[l] = new PHYFramePtr[nRBsc * nDLrb];
for (unsigned short k = 0; k < nRBsc * nDLrb; k++)
dlBuffer[l][k] = NULL;
}
configureRegs();
this->cancelEvent(symbolTimer);
this->scheduleAt(simTime(), symbolTimer);
} else if (category == DLCONFIGRequest) {
DlConfigRequest *dlCfgReq = check_and_cast<DlConfigRequest*>(details);
cfi = dlCfgReq->getNrPdcchSymb();
while (dlCfgReq->getPdusArraySize() != 0) {
DlConfigRequestPduPtr pdu = dlCfgReq->backPdu();
EV << "LTE-PHYenb: Received DLCONFIGRequest for PDU with type = " << (unsigned)pdu->getType() << ".\n";
// DCI request from upper layer
if (pdu->getType() == DciDlPdu) {
DlConfigRequestDciDlPdu *dciDlPdu = check_and_cast<DlConfigRequestDciDlPdu*>(pdu);
dciBuffer.push_back(dciDlPdu);
} else {
delete pdu;
}
// if (pdu->getType() == BchPdu) {
// hasBCHPdu = true;
// unsigned char pbchOffset = nDLrb * nRBsc / 2 - 36;
//
// PBCHMessage *frame = new PBCHMessage();
// frame->setCellId(nCellId);
// dlBuffer[nDLsymb + 3][pbchOffset + 71] = frame;
// dlCfgReq[pdu->getPduIndex()] = frame;
// } else if (pdu->getType() == DciDlPdu) {
//// sendDCIFormat(pdu);
// } else {
//// dlCfgReqs[pdu->getPduIndex()] = pdu;
// }
dlCfgReq->popPdu();
}
}
break;
}
default:
EV << "LTE-PHYenb: Unknown state.\n";
break;
}
if (fsm.getState() == RUNNING) { if (fsm.getState() == RUNNING) {
if (category == DLCONFIGRequest) { if (category == DLCONFIGRequest) {
// DlConfigRequest *dlCfgReq = check_and_cast<DlConfigRequest*>(details);
// for (unsigned i = 0; i < dlCfgReq->getPdusArraySize(); i++) {
// DlConfigRequestPduPtr pdu = dlCfgReq->getPdus(i)->dup();
// EV << "LTE-PHYenb: Received DLCONFIGRequest for PDU with type = " << (unsigned)pdu->getType() << ".\n";
//
// if (pdu->getType() == BchPdu) {
// hasBCHPdu = true;
// unsigned char pbchOffset = nDLrb * nRBsc / 2 - 36;
//
// PBCHMessage *frame = new PBCHMessage();
// frame->setCellId(nCellId);
// dlBuffer[nDLsymb + 3][pbchOffset + 71] = frame;
// dlCfgReq[pdu->getPduIndex()] = frame;
// } else if (pdu->getType() == DciDlPdu) {
//// sendDCIFormat(pdu);
// } else {
//// dlCfgReqs[pdu->getPduIndex()] = pdu;
// }
// }
} else if (category == TXRequest) { } else if (category == TXRequest) {
// TxRequest *txReq = check_and_cast<TxRequest*>(details); // TxRequest *txReq = check_and_cast<TxRequest*>(details);
// for (unsigned i = 0; i < txReq->getPdusArraySize(); i++) { // for (unsigned i = 0; i < txReq->getPdusArraySize(); i++) {
...@@ -272,7 +428,65 @@ void PHYenb::stateEntered(int category, const cPolymorphic *details) { ...@@ -272,7 +428,65 @@ void PHYenb::stateEntered(int category, const cPolymorphic *details) {
// } // }
} }
} }
delete details; // delete details;
}
void PHYenb::receiveChangeNotification(int category, const cPolymorphic *details) {
Enter_Method_Silent();
int oldState = fsm.getState();
switch(oldState) {
case IDLE:
switch(category) {
case PARAMRequest: {
break;
}
case CONFIGRequest: {
FSM_Goto(fsm, CONFIGURED);
break;
}
default:
EV << "LTE-PHYenb: Received unexpected event.\n";
break;
}
break;
case CONFIGURED:
switch(category) {
case STARTRequest: {
FSM_Goto(fsm, RUNNING);
break;
}
default:
EV << "LTE-PHYenb: Received unexpected event.\n";
break;
}
break;
case RUNNING:
switch(category) {
case DLCONFIGRequest: {
break;
}
case TXRequest : {
break;
}
default:
EV << "LTE-PHYenb: Received unexpected event.\n";
break;
}
break;
default:
EV << "LTE-PHYenb: Unknown state.\n";
break;
}
// if (oldState != fsm.getState())
// EV << "LTE-PHY: PSM-Transition: " << stateName(oldState) << " --> " << stateName(fsm.getState()) << " (event was: " << eventName(category) << ")\n";
// else
// EV << "LTE-PHY: Staying in state: " << stateName(fsm.getState()) << " (event was: " << eventName(category) << ")\n";
stateEntered(category, details);
} }
void PHYenb::sendBufferedData() { void PHYenb::sendBufferedData() {
...@@ -318,13 +532,13 @@ void PHYenb::sendBufferedData() { ...@@ -318,13 +532,13 @@ void PHYenb::sendBufferedData() {
} }
void PHYenb::sendDCIFormat(DlConfigRequestPduPtr pdu) { void PHYenb::sendDCIFormat(DlConfigRequestPduPtr pdu) {
DlConfigRequestDciDlPdu *dciPdu = check_and_cast<DlConfigRequestDciDlPdu*>(pdu); // DlConfigRequestDciDlPdu *dciPdu = check_and_cast<DlConfigRequestDciDlPdu*>(pdu);
DCIFormat *dci = new DCIFormat(); // DCIFormat *dci = new DCIFormat();
dci->setName("DCIFormat"); // dci->setName("DCIFormat");
dci->setRnti(dciPdu->getRnti()); // dci->setRnti(dciPdu->getRnti());
// dci->setRntiType(dciPdu->getRntiType()); //// dci->setRntiType(dciPdu->getRntiType());
dci->setChannelNumber(PDCCH); // dci->setChannelNumber(PDCCH);
sendToChannel(dci); // sendToChannel(dci);
} }
// //
//bool PHYenb::findAndRemoveDlConfigRequestPdu(unsigned short pduIndex) { //bool PHYenb::findAndRemoveDlConfigRequestPdu(unsigned short pduIndex) {
......
src/linklayer/lte/phy/PHYenb.h
浏览文件 @ 979b62a7
...@@ -34,6 +34,9 @@ private: ...@@ -34,6 +34,9 @@ private:
// bool findAndRemoveDlConfigRequestPdu(unsigned short pduIndex); // bool findAndRemoveDlConfigRequestPdu(unsigned short pduIndex);
// bool findAndRemoveTxRequestPdu(unsigned msgId); // bool findAndRemoveTxRequestPdu(unsigned msgId);
typedef std::list<DlConfigRequestDciDlPdu*> DCIBuffer;
DCIBuffer dciBuffer;
void sendDCIFormat(DlConfigRequestPduPtr pdu); void sendDCIFormat(DlConfigRequestPduPtr pdu);
void buildSubframe(); void buildSubframe();
...@@ -43,6 +46,8 @@ private: ...@@ -43,6 +46,8 @@ private:
void setData(unsigned short k, PHYFrame *frame); void setData(unsigned short k, PHYFrame *frame);
virtual void stateEntered(int category, const cPolymorphic *details); virtual void stateEntered(int category, const cPolymorphic *details);
virtual void receiveChangeNotification(int category, const cPolymorphic *details);
public: public:
PHYenb(); PHYenb();
virtual ~PHYenb(); virtual ~PHYenb();
......
src/linklayer/lte/phy/PHYue.cc
浏览文件 @ 979b62a7
...@@ -22,7 +22,14 @@ PHYue::PHYue() : PHY() { ...@@ -22,7 +22,14 @@ PHYue::PHYue() : PHY() {
start = false; start = false;
delayTimer = NULL; delayTimer = NULL;
pbchSubcarriers = 0; pbchSubcarriers = 0;
syncState = NONE; nrOfPss = 0;
cellSync = 0;
nRBsc = 255;
nDLsymb = 255;
sf = 255;
symb = 255;
slot = 255;
dciSize = 0;
} }
PHYue::~PHYue() { PHYue::~PHYue() {
...@@ -89,24 +96,32 @@ void PHYue::handleRadioMessage(cMessage *msg) { ...@@ -89,24 +96,32 @@ void PHYue::handleRadioMessage(cMessage *msg) {
unsigned short k = 0; unsigned short k = 0;
while (k < symbol->getResArraySize()) { while (k < symbol->getResArraySize()) {
// check for PSS if (cellSync < 3) {
if (symbol->getRes(k) == PSS) { if (symbol->getRes(k) == PSS) {
k += 62; k += 62;
if (syncState == NONE)
processPSS(k - 1); processPSS(k - 1);
} else if (symbol->getRes(k) == SSS) { } else if (symbol->getRes(k) == SSS) {
k += 62; k += 62;
if (syncState == PSS_RECEIVED)
processSSS(k - 1); processSSS(k - 1);
} else if (symbol->getRes(k) == RS) { } else if (symbol->getRes(k) == RS) {
k++; k++;
if (syncState == SSS_RECEIVED)
processReferenceSignal(k - 1); processReferenceSignal(k - 1);
} else {
k++;
}
} else { } else {
k++; if (symbol->getRes(k) == PCFICH) {
k += getReNrInReg(0);
processPCFICH(k - 1);
} else if (symbol->getRes(k) == PDCCH) {
k += getReNrInReg(symb);
processPDCCH(k - 1);
} else {
k++;
}
} }
} }
symb = (symb + 1) % nDLsymb;
// if (syncState == NONE) { // if (syncState == NONE) {
// for (unsigned char i = 0; i < symbol->getResArraySize(); i++) { // for (unsigned char i = 0; i < symbol->getResArraySize(); i++) {
...@@ -204,13 +219,27 @@ void PHYue::processPSS(unsigned char k) { ...@@ -204,13 +219,27 @@ void PHYue::processPSS(unsigned char k) {
if (msg) { if (msg) {
EV << "LTE-PHYue: Received Primary Synchronization Signal.\n"; EV << "LTE-PHYue: Received Primary Synchronization Signal.\n";
PSSSignal *pss = check_and_cast<PSSSignal*>(msg); PSSSignal *pss = check_and_cast<PSSSignal*>(msg);
n2id = pss->getCellIdInGroup();
slot = 0; n2id = pss->getCellIdInGroup();
symb = 1;
EV << "LTE-PHYue: Setting slot = " << (unsigned)slot << " and symb = " << (unsigned)symb << ".\n"; if (cellSync == 0) {
if (nrOfPss == 0) {
symb = 1;
EV << "LTE-PHYue: Setting symb = " << (unsigned)symb << ".\n";
} else {
nDLsymb = symb / 10;
symb = nDLsymb - 1;
EV << "LTE-PHYue: Setting symb = " << (unsigned)symb << " with total number of symbols = " << (unsigned)nDLsymb << ".\n";
cellSync++;
}
}
nrOfPss = (nrOfPss + 1) % 2;
syncState = PSS_RECEIVED;
delete msg; delete msg;
} }
} }
...@@ -221,18 +250,18 @@ void PHYue::processSSS(unsigned char k) { ...@@ -221,18 +250,18 @@ void PHYue::processSSS(unsigned char k) {
EV << "LTE-PHYue: Received Secondary Synchronization signal.\n"; EV << "LTE-PHYue: Received Secondary Synchronization signal.\n";
SSSSignal *sss = check_and_cast<SSSSignal*>(msg); SSSSignal *sss = check_and_cast<SSSSignal*>(msg);
n1id = sss->getCellGroupId(); if (cellSync == 1) {
nCellId = 3 * n1id + n2id; n1id = sss->getCellGroupId();
nCellId = 3 * n1id + n2id;
sf = sss->getSf(); // UE knows the subframe because in reality the sequences for subframe 0 and 5 differ
sf = sss->getSf(); // UE knows the subframe because in reality the sequences for subframe 0 and 5 differ slot = sf * 2;
slot = sf * 2;
symb++;
nDLsymb = symb / 10;
symb = nDLsymb - 2;
EV << "LTE-PHYue: Setting number of symbols = " << (unsigned)nDLsymb << ".\n";
EV << "LTE-PHYue: Resetting slot = " << (unsigned)slot << " and symb = " << (unsigned)symb << ".\n";
syncState = SSS_RECEIVED; EV << "LTE-PHYue: Resetting slot = " << (unsigned)slot << ".\n";
cellSync++;
}
delete msg; delete msg;
} }
} }
...@@ -242,18 +271,65 @@ void PHYue::processReferenceSignal(unsigned char k) { ...@@ -242,18 +271,65 @@ void PHYue::processReferenceSignal(unsigned char k) {
if (msg) { if (msg) {
EV << "LTE-PHYue: Received Reference Signal.\n"; EV << "LTE-PHYue: Received Reference Signal.\n";
ReferenceSignal *refSig = check_and_cast<ReferenceSignal*>(msg); ReferenceSignal *refSig = check_and_cast<ReferenceSignal*>(msg);
if (refSig->getCellId() == nCellId) {
ncp = refSig->getNcp(); if (cellSync == 2) {
if (ncp == 1 && (nDLsymb == 7 || nDLsymb == 6)) if (refSig->getCellId() == nCellId) {
nRBsc = 12; ncp = refSig->getNcp();
else if (ncp == 1 && nDLsymb == 3) if (ncp == 1 && (nDLsymb == 7 || nDLsymb == 6))
nRBsc = 24; nRBsc = 12;
syncState = SYNCHRONIZED; else if (ncp == 1 && nDLsymb == 3)
nRBsc = 24;
configureRegs();
cellSync++;
EV << "LTE-PHYue: Physical layer synchronized with the cell.\n";
}
} }
delete msg; delete msg;
} }
} }
void PHYue::processPCFICH(unsigned char k) {
cMessage *msg = getData(k);
if (msg) {
EV << "LTE-PHYue: Received PCFICH message.\n";
PCFICHMessage *pcfichMsg = check_and_cast<PCFICHMessage*>(msg);
cfi = pcfichMsg->getCfi();
EV << "LTE-PHYue: Number of symbols used for PDCCH transmission = " << (unsigned)cfi << ".\n";
delete msg;
}
}
void PHYue::processPDCCH(unsigned char k) {
cMessage *msg = getData(k);
dciSize++;
if (msg) {
EV << "LTE-PHYue: Received PDCCH message.\n";
DCIFormat *dci = check_and_cast<DCIFormat*>(msg);
// check cfi
if (symb < cfi) {
EV << "LTE-PHYue: PDCCH message out of allocation space. Discarding the message.\n";
delete msg;
return;
}
// check size
if ((dci->getFormatFlag() == DCI_FORMAT_1 || dci->getFormatFlag() == DCI_FORMAT_1A) && (dciSize != 18)) {
EV << "LTE-PHYue: PDCCH message has wrong size. Discarding the message.\n";
delete msg;
return;
}
}
}
void PHYue::processPBCH() { void PHYue::processPBCH() {
EV << "LTE-PHYue: Processing Physical Broadcast Channel.\n"; EV << "LTE-PHYue: Processing Physical Broadcast Channel.\n";
// unsigned char dc = frame->getResArraySize() / 2; // unsigned char dc = frame->getResArraySize() / 2;
...@@ -268,27 +344,29 @@ void PHYue::processPBCH() { ...@@ -268,27 +344,29 @@ void PHYue::processPBCH() {
} }
void PHYue::stateEntered(int category, const cPolymorphic *details) { void PHYue::stateEntered(int category, const cPolymorphic *details) {
PHY::stateEntered(category, details); // if (fsm.getState() == RUNNING) {
// if (category == ULCONFIGRequest) {
if (fsm.getState() == RUNNING) { //
if (category == ULCONFIGRequest) { // } else if (category == RACHRequest) {
// RachRequest *rachReq = check_and_cast<RachRequest*>(details);
} else if (category == RACHRequest) { // for (unsigned i = 0; i < rachReq->getPreamblesArraySize(); i++) { // normally it should be only one preamble
RachRequest *rachReq = check_and_cast<RachRequest*>(details); // RachPreamble preamble = rachReq->getPreambles(i);
for (unsigned i = 0; i < rachReq->getPreamblesArraySize(); i++) { // normally it should be only one preamble // RAPreamble *raPreamble = new RAPreamble();
RachPreamble preamble = rachReq->getPreambles(i); // raPreamble->setName("RAPreamble");
RAPreamble *raPreamble = new RAPreamble(); // raPreamble->setChannelNumber(PRACH);
raPreamble->setName("RAPreamble"); // raPreamble->setRnti(preamble.getRnti());
raPreamble->setChannelNumber(PRACH); // raPreamble->setRntiType(RaRnti);
raPreamble->setRnti(preamble.getRnti()); // raPreamble->setRapid(preamble.getPreamble());
raPreamble->setRntiType(RaRnti); // this->sendToChannel(raPreamble);
raPreamble->setRapid(preamble.getPreamble()); // }
this->sendToChannel(raPreamble); // }
} // }
}
}
} }
void PHYue::sendBufferedData() { void PHYue::sendBufferedData() {
} }
void PHYue::receiveChangeNotification(int category, const cPolymorphic *details) {
}
src/linklayer/lte/phy/PHYue.h
浏览文件 @ 979b62a7
...@@ -19,31 +19,35 @@ ...@@ -19,31 +19,35 @@
#include "PHY.h" #include "PHY.h"
#include "SubscriberTableAccess.h" #include "SubscriberTableAccess.h"
enum SyncState enum PHYueEvent {
{ CellFound
NONE,
PSS_RECEIVED,
SSS_RECEIVED,
SYNCHRONIZED
}; };
class PHYue : public PHY { class PHYue : public PHY {
private: private:
unsigned char syncState;
unsigned pbchSubcarriers; unsigned pbchSubcarriers;
cMessage *delayTimer; cMessage *delayTimer;
bool start; bool start;
unsigned char nrOfPss;
unsigned char cellSync;
unsigned char dciSize;
SubscriberTable *subT; SubscriberTable *subT;
cMessage *getData(unsigned short k); cMessage *getData(unsigned short k);
void processPSS(unsigned char k); void processPSS(unsigned char k);
void processSSS(unsigned char k); void processSSS(unsigned char k);
void processReferenceSignal(unsigned char k); void processReferenceSignal(unsigned char k);
void processPCFICH(unsigned char k);
void processPDCCH(unsigned char k);
void processPBCH(); void processPBCH();
virtual void stateEntered(int category, const cPolymorphic *details); virtual void stateEntered(int category, const cPolymorphic *details);
virtual void receiveChangeNotification(int category, const cPolymorphic *details);
public: public:
PHYue(); PHYue();
virtual ~PHYue(); virtual ~PHYue();
......
src/linklayer/lte/rrc/RRC.cc
浏览文件 @ 979b62a7
...@@ -41,6 +41,7 @@ RRC::RRC() { ...@@ -41,6 +41,7 @@ RRC::RRC() {
dlBandwithSel = 255; dlBandwithSel = 255;
cyclicPrefix = 255; cyclicPrefix = 255;
phyCellId = 65535; phyCellId = 65535;
nrOfAntennas = 1;
} }
RRC::~RRC() { RRC::~RRC() {
......
src/linklayer/lte/rrc/RRC.h
浏览文件 @ 979b62a7
...@@ -39,8 +39,8 @@ static const unsigned macContResolTimers[8] = { 8, 16, 24, 32, 40, 48, 56, 64 }; ...@@ -39,8 +39,8 @@ static const unsigned macContResolTimers[8] = { 8, 16, 24, 32, 40, 48, 56, 64 };
enum RRCCyclicPrefix enum RRCCyclicPrefix
{ {
RRC_CP_NORMAL = 0, CTRL_CP_NORMAL = 0,
RRC_CP_EXTENDED = 1 CTRL_CP_EXTENDED = 1
}; };
class RRC : public cSimpleModule, public INotifiable { class RRC : public cSimpleModule, public INotifiable {
...@@ -51,6 +51,7 @@ protected: ...@@ -51,6 +51,7 @@ protected:
unsigned char dlBandwithSel; unsigned char dlBandwithSel;
unsigned char cyclicPrefix; unsigned char cyclicPrefix;
unsigned short phyCellId; unsigned short phyCellId;
unsigned char nrOfAntennas;
PHICHConfig phichCfg; PHICHConfig phichCfg;
RACHConfigCommon rachCfg; RACHConfigCommon rachCfg;
......
src/linklayer/lte/rrc/RRCenb.cc
浏览文件 @ 979b62a7
...@@ -40,7 +40,7 @@ void RRCenb::initialize(int stage) { ...@@ -40,7 +40,7 @@ void RRCenb::initialize(int stage) {
nb->subscribe(this, CONFIGResponse); nb->subscribe(this, CONFIGResponse);
nb->subscribe(this, SUBFRAMEIndication); nb->subscribe(this, SUBFRAMEIndication);
cyclicPrefix = RRC_CP_NORMAL; cyclicPrefix = CTRL_CP_NORMAL;
dlBandwithSel = 1; dlBandwithSel = 1;
phyCellId = uniform(0, 503); phyCellId = uniform(0, 503);
...@@ -91,6 +91,8 @@ void RRCenb::initialize(int stage) { ...@@ -91,6 +91,8 @@ void RRCenb::initialize(int stage) {
siCfg.setSiMsgList(0, siMsgEl); siCfg.setSiMsgList(0, siMsgEl);
cellCfg->setSiConfig(siCfg); cellCfg->setSiConfig(siCfg);
cellCfg->setDlBandwith(dlBandwiths[dlBandwithSel]); cellCfg->setDlBandwith(dlBandwiths[dlBandwithSel]);
cellCfg->setDlCyclPrefLen(cyclicPrefix);
cellCfg->setAntennaPortsCount(nrOfAntennas);
nb->fireChangeNotification(CSCHED_CELL_CONFIG_REQ, cellCfg); nb->fireChangeNotification(CSCHED_CELL_CONFIG_REQ, cellCfg);
} }
...@@ -281,11 +283,12 @@ void RRCenb::receiveChangeNotification(int category, const cPolymorphic *details ...@@ -281,11 +283,12 @@ void RRCenb::receiveChangeNotification(int category, const cPolymorphic *details
PhyCommandTlv phySt = paramResp->getTlvs(0); PhyCommandTlv phySt = paramResp->getTlvs(0);
if (phySt.getValue() == IDLE) { if (phySt.getValue() == IDLE) {
ConfigRequest *cfgReq = new ConfigRequest(); ConfigRequest *cfgReq = new ConfigRequest();
cfgReq->setTlvsArraySize(4); cfgReq->setTlvsArraySize(5);
cfgReq->setTlvs(0, createPhyCommandTlv(SfnSf, 1, sfn * 10 + sf)); cfgReq->setTlvs(0, createPhyCommandTlv(SfnSf, 1, sfn * 10 + sf));
cfgReq->setTlvs(1, createPhyCommandTlv(DlCyclicPrefixType, 1, cyclicPrefix)); cfgReq->setTlvs(1, createPhyCommandTlv(DlCyclicPrefixType, 1, cyclicPrefix));
cfgReq->setTlvs(2, createPhyCommandTlv(DlChannelBandwith, 1, dlBandwiths[dlBandwithSel])); cfgReq->setTlvs(2, createPhyCommandTlv(DlChannelBandwith, 1, dlBandwiths[dlBandwithSel]));
cfgReq->setTlvs(3, createPhyCommandTlv(PhysicalCellId, 1, phyCellId)); cfgReq->setTlvs(3, createPhyCommandTlv(TxAntennaPorts, 1, 1));
cfgReq->setTlvs(4, createPhyCommandTlv(PhysicalCellId, 1, phyCellId));
nb->fireChangeNotification(CONFIGRequest, cfgReq); nb->fireChangeNotification(CONFIGRequest, cfgReq);
} }
} else if (category == CONFIGResponse) { } else if (category == CONFIGResponse) {
......
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